718
FXCA20 KWBC 201227
PMDCA
TROPICAL DISCUSSION - INTERNATIONAL DESKS
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
727 AM EST FRI JAN 20 2023
PRELIMINARY DISCUSSION FOR PUERTO RICO AND THE USVI FROM JAN
20/12UTC: A ROBUST MID-LEVEL RIDGE CENTERS OVER CUBA AND EXTENDS
ACROSS THE ENTIRE CARIBBEAN. THIS FEATURE CONTINUES SUSTAINING A
TRADE WIND CAP ACROSS THE NORTHERN CARIBBEAN AND LIMITING THE
VERTICAL DEVELOPMENT OF TRADE WIND CONVECTION. SATELLITE IMAGERY
SHOWS VERY LITTLE CLOUDINESS ACROSS THE ISLANDS...AND THE
CONVECTION PRESENT IS VERY SHALLOW AND NOT PRODUCING ANY
SIGNIFICANT PRECIPITATION.
THE MID-LEVEL RIDGE IS FORECAST TO BE THE DOMINANT FEATURE THROUGH
THE ENTIRE FORECAST CYCLE. MODELS DO AGREE IN A CONTINUED DRYING
TREND ACROSS THE NORTHEAST CARIBBEAN...WHICH WILL NOT ONLY
CONTINUE TO FAVOR GENERALLY FAIR WEATHER CONDITIONS BUT WILL FAVOR
A FURTHER DRYING THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK. ANY
PRECIPITATION WILL CLUSTER IN NORTHEAST PUERTO RICO IN EARLY
MORNING CONVECTION AND ACCUMULATE AMOUNTS LOWER THAN 0.2
INCHES/DAY.
GALVEZ/ACOSTA/ALAMO...WPC (USA)
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